package base;

public class Demo01 {
    public static void main(String[] args) {
        char c1 = 'a';
        String s = "s";
        System.out.println(c1);
        System.out.println((int) c1);

        System.out.println(s.hashCode());

        // int a = 100, b = 50, c = a-- - b, d = a-- - b;
        int a = 100;
        int b = 50;
        int c = a-- - b;
        int d = a-- - b;
        System.out.println(a);
        System.out.println(b);
        System.out.println(c);
        System.out.println(d);
    }

    public void test(int a, int b) {
    }

    public void test(int a, String b) {
    }

    public void test(String a, int b) {
    }
}
